关于question tag.They‘ve already read the news,aren't they?为什么不是 have they?We have hardly any water left,do we?为什么不是 have we?

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关于question tag.They‘ve already read the news,aren't they?为什么不是 have they?We have hardly any water left,do we?为什么不是 have we?

关于question tag.They‘ve already read the news,aren't they?为什么不是 have they?We have hardly any water left,do we?为什么不是 have we?
关于question tag.
They‘ve already read the news,aren't they?为什么不是 have they?
We have hardly any water left,do we?为什么不是 have we?

关于question tag.They‘ve already read the news,aren't they?为什么不是 have they?We have hardly any water left,do we?为什么不是 have we?
第一句是由be动词引导 so.
第二句have 是使役动词,而非助动词,so.

wuli说的很对 这个记住就行了